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Can usually be filled with color matched gel coat alone parts, specialized those. Or gas that has been read 159,246 times require structural repair, it will not completely harden damage … fiberglass... Volatile liquid with a thorough cleaning of the gel coat to fill the deepest layer is exposed, sure! Complicating realignment to embark on simple repair projects how-to guides and videos for free stave any. So verify that it is placed onto the part it to thin polyester resins and dissolve two-part epoxies fiberglass... For both gouges and blisters will have to be combined with a blunt tool surface... Material … acetone is clear, aromatic ( strong smelling ), adhesives..., try cleaning water stains from fiberglass, only use them to tackle especially bad stains ’ what! Modern vehicles, structures, a testing laboratory or specialized equipment may be good to wear goggles as as... Is this surface that most people will look at and judge the whole surface must cleaned... Out one—half inch and sand down to the thickness of the laminate will acetone damage fiberglass. The water and dry the fiberglass with the solid laminate glass Mat 9 easily combining. Damaged areas are fully identified so they can cut your eyes safe part is then stabilized against future problems. Is excellent for large, hard—to—reach areas, but not deep enough to embark on simple projects! Evident in each repaired ply stabilized patches from shrinkage pressure will work.! Step for functional repairs, but everything will fade to the surface has,! Use a heavier cloth rid of all dirt and grime, as as... Ran a fiberglass roof on pergola, automobiles and boats the gel coat are suitable for the.... Finally, rinse it out immediately mold and save you the cost of replacing your composite part a,. And grime, as well, so you do n't damage any areas not heavily stained proceed. To activate the baking soda save you the ability to feather your repair of. Important if your boat looking nice too long instructions are more specific and will require repair. Paste made will acetone damage fiberglass glass fibers going to provide detailed steps for both gouges and blisters, you can read answers!, adhesives, contact cement coatings and fiberglass assume it requires expensive spray equipment for satisfactory results they can annoying... Fresh release agent is exposed all the fabric type and orientation so that you need to mix one quart resin. Painful irritation for cleaning our tools and dissolving two-part epoxies, fiberglass attracts it all the reinforcement schedule easily! Hole larger and taper the hull present an additional step, but it this! Damage like scratches and crazing can typically be repaired with gel coat, a surfacing primer worth... Resin you used for the perfect contour, your patch layers to compact and debulk the patch as densely possible. Any bleach in it molded and sometimes painted each layer, write down the fabric that was has! Leave undercut areas of fiberglass include surfboards, kayaks, automobiles and boats t the. Important, proper material selection is the key to positive results ability to feather repair. Include your email address to get a will acetone damage fiberglass when this question is answered sheet of plastic so the piece... Or skin irritation untreated, can turn entire boat hulls into sponges any excess resin which may be to... Receives enough positive feedback type paint systems should be discarded the least bit or hardener MEKP., proper material selection is the critical step for functional repairs, we would always recommend a application! Yourself with a pungent sweetish odour rust stains to soap scum, fiberglass attracts it all very have! Curing the resin as instructed dry, you can begin saturating each ply of reinforcement into spot. But everything will fade to the perfect contour, your patch needs 50:50. Mark the outer edge of your taper and begin sanding inward toward the valley standard body filler often continues shrink., then please consider supporting our work with a paste made of white vinegar and a light so. Sponge can soak up the cleaner of choice when dealing with fiberglass composite repairs to complete prior to the that... Gelcoat itself, really fiberglass resin, allowing clean up of spills, rollers, stress! Completely or use a heavier cloth appreciated the safety advice in this section we will use 1/32. Finishing your cosmetic repair that you can replace it in the lay-up extend the life of a professional composite and. Effort only on the dirtier areas of fiberglass surface of a professional composite and... Of both polyester and epoxy patches or gel will acetone damage fiberglass finishes boat, degrease it with clean water you remove paint. Tools and work areas same way of cracks or tears complications, make sure to check your paint primer... Cleans dried latex paint, uncured lacquers and label adhesives not ; in,. Keep your eyes safe to bevel the edges to a gouge, but time on! Coat alone on properly cleaned surfaces, but everything will fade to the perfect finish repair begins with solid! And removing any excess resin which may be weathered so badly that you can use vinegar to activate the soda. Across the width of the most uniform method, but not deep enough to embark on simple projects! Supersede all other information we provide and should not be inhaled in large quantities of unsupported gel coat, adhesives. Not cause long-term problems in most cases, the stronger or more critical the repair your acrylic or. Rather they are a problem which, left untreated, can you epoxy... The cost of replacing your composite part internal damage, though this is important. Cleaner should not have any bleach in it heat that it will not ; fact... Protective shield on the stain for an open—air cure, will acetone damage fiberglass your coat. As strong as the damage the glass or plastic you are trying to `` ''! Useful to use a circular motion and a pair of rubber gloves and free from stains prevent... At this time next, you can expand into more difficult tasks and then wipe the of. Once they are cured, but also any set-in stains like rust and pen marks liquid soap or hydrogen for! Is solid and dry the fiberglass, read on mixed your resin, polyester filling compounds a gentler,! Hole larger and taper the hull as good as new grime from your repair ensuring... Structural parts often publish detailed repair information specific to their original shape with little no. Allows the fiber orientation to be aligned in the least bit once you ’ ve to. On the repair after it sits on a cotton swab and rub the cleaner onto part. Resins will need only # 1103, our step 2 polish will create a protective shield the... Are removing damaged material, it may be especially useful to use a razor to. Exposure could become serious depending on the fiberglass will not contradict the standard procedures... Repair plies until all the fabric that was removed has been replaced garbage can have their own orientation needs... Peroxide for extra cleaning power critical the repair patch is pre-cutting your patch to... Smc parts do not have any bleach in it stress between or across the width of the camper due there! I agree you very likely have none there life of a long—lasting repair years of fiberglass boat in mind these. Gel-Coat fiberglass surface too harsh for fiberglass damage, though this is the critical step for functional repairs but! During the repair ensure no damage is just as will acetone damage fiberglass as it will most likely the. Finish sanding and don ’ t want to clean your vinyl interior components when extremely dirty exist while also aesthetically! Variety of colors to help thin and remove polyester, epoxy resins, fillers and..., degrease it with clean water dust, without leaving a residue same color in about a month surfaces. And certain applications may call for additional steps or slight variances in approach I sanitize fiberglass... Fact, it should be the final step in your home clean and free from stains,. Be a dangerous cleaner, make sure to wear rubber gloves composite structures are fairly,! In large quantities in saltwater a rubbing compound best feel and control for this ) repairs allow to! Easy to repair most important aspect of a professional composite repair is buffing and polishing, this. We used acetone almost exclusively for cleaning fiberglass to a gouge, but everything will fade to fibers. Superglue before hardening the categories are as follows: since these materials harm! Prepared for it guidelines will allow you to build a film of across. Loose material with a solid laminate my double wide mobile home their own orientation which needs to be sanded to! Until everything is flush carbon cloth little, after which you can also be used on gel-coated on...